Nowadays, having a good doctor-patient relationship is more significant since an ill relation could lead to a bad result for the treatment such as extended treatment period, unpleasant therapy experience and extra expense. All of these could be the consequence of bad doctor-patient relationship. Therefore, in this thesis, there would be discussions in four parts regarding non-verbal behavior in doctor-patient relationship. First, the behaviors indicate patient withhold information related to target disease that should be addressed or informed. Second, doctors should be able to recognize specific non-verbal behaviors which a patient is giving trust. Third, methods to enhance the relationship between doctors and patients after recognizing mentioned non-verbal behaviors. Finally, in the conclusion, there will be a comparison between patients with good compliance during the treatment and patients who is withhold information relating to themselves. By interpreting these non-verbal behaviors, doctors may have better and beneficial effects towards doctor-patient relationship in their occupational therapies.